Why is Guiguzi the smartest person in China for thousands of years?

Because Guiguzi is so legendary, everything is mysterious and has existed for a long time. From the Spring and Autumn Period and the Warring States Period to the Republic of China, Guiguzi has always been a descendant, and Guiguzi is simply a cultural symbol! It seems that no one has touched guiguzi. People just imagine how powerful their masters should be through the descendants of Guiguzi such as Sun Bin, Su Qin and Zhuge Liang!